RT2517B
Load Transient Response
Line Transient Response
V
OUT
(10mV/Div)
V
IN
(1V/Div)
V
OUT
(10mV/Div)
V
IN
= 3.3V, V
OUT
= 1.8V, I
OUT
= 0 to 1A
V
IN
= 3.3V to 4.3V, V
OUT
= 1.8V, I
OUT
= 1A
I
OUT
(1A/Div)
Time (100μs/Div)
Time (500μs/Div)
Power On from EN
Power Off from EN
V
EN
(2V/Div)
V
OUT
(1V/Div)
I
IN
(1A/Div)
V
EN
(2V/Div)
V
OUT
(1V/Div)
I
IN
(1A/Div)
V
IN
= 2.5V, V
OUT
= 1.5V, I
OUT
= 1A
V
IN
= 2.5V, V
OUT
= 1.5V, I
OUT
= 1A
Time (100μs/Div)
Time (100μs/Div)
PSRR vs. Frequency
0
-10
-20
I
OUT
= 300mA
PSRR (dB)
-30
-40
-50
-60
-70
I
OUT
= 100mA
I
OUT
= 1mA
V
IN
= 3.25V to 3.35V, V
OUT
= 1.8V
-80
100
1000
10000
100000
1000000
Frequency (Hz)
Copyright
©
2018 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS2517B-05
September 2018
www.richtek.com
7
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
